#include<stdio.h>
#include<unistd.h>
#include<sys/types.h>
#include<string.h>

int main()
{
    const char* s1="hello write!\n";
    write(1,s1,strlen(s1));

    const char* s2="hello printf!";
    printf("%s",s2);

    fork();
    
    printf("\n");
    
    return 0;
}